2558429 has 2 divisors, whose sum is σ = 2558430. Its totient is φ = 2558428.

The previous prime is 2558419. The next prime is 2558471. The reversal of 2558429 is 9248552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2474329 + 84100 = 1573^2 + 290^2 .

It is a cyclic number.

It is not a de Polignac number, because 2558429 - 2⁸ = 2558173 is a prime.

It is a d-powerful number, because it can be written as 2 + 5³ + 5⁹ + 8 + 4⁸ + 2¹³ + 9⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2558419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279214 + 1279215.

It is an arithmetic number, because the mean of its divisors is an integer number (1279215).

2^2558429 is an apocalyptic number.

It is an amenable number.

2558429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2558429 is an equidigital number, since it uses as much as digits as its factorization.

2558429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The square root of 2558429 is about 1599.5089871582. The cubic root of 2558429 is about 136.7700869642.

The spelling of 2558429 in words is "two million, five hundred fifty-eight thousand, four hundred twenty-nine".